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QS Quacquarelli Symonds
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QS Quacquarelli Symonds ETL Developer Interview Questions and Answers
QS Quacquarelli Symonds ETL Developer Interview Experiences
2 interviews found
I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.
(4 Questions)
- Q1. Use excel formulas to find stats and data
- Ans.
Excel formulas can be used to calculate statistics and analyze data.
Use SUM function to calculate total sum of a range of cells.
Use AVERAGE function to find the average of a range of cells.
Use COUNT function to count the number of cells that contain numbers in a range.
Use MAX and MIN functions to find the maximum and minimum values in a range.
Use IF function to perform conditional calculations based on certain criteria
- Q2. Use SQL to query data to answer a few questions
- Q3. Design data structure given a scenario
- Q4. Write a Python function to process some data
- Ans.
Python function to process data
Define a function that takes in the data as input
Process the data using Python code
Return the processed data
Interview Preparation Tips
- Data Structures
- Excel
- SQL
- Python
Skills evaluated in this interview
I applied via Referral and was interviewed before Mar 2021. There were 3 interview rounds.
Its good for shortlisting
(1 Question)
- Q1. Interview is simple but that doesn't mean they hire you. It's all depends of team evaluation.
(1 Question)
- Q1. No question asked just regular discussion
Interview Preparation Tips
Pay is below average as they are not aggressivl y progressing.
Top trending discussions
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Yashwant Panchal
Question on Linked list. array and string manipulation.
Selected
I applied via Coding ninjas and was interviewed before Nov 2023. There were 3 interview rounds.
Pizza restaurant website
(2 Questions)
- Q1. Javascript related questions
- Q2. React fundamentals and redux and saga function
(1 Question)
- Q1. Round with CEO for culture fit
(2 Questions)
- Q1. What is OOPS concepts.
- Ans.
OOPS concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation detail
- Q2. What is PDO and uses in PHP.
- Ans.
PDO stands for PHP Data Objects, a database access layer providing a uniform method of access to multiple databases.
PDO is a PHP extension that provides a data-access abstraction layer.
It supports multiple database systems like MySQL, PostgreSQL, SQLite, etc.
PDO helps prevent SQL injection attacks by using prepared statements.
It allows for error handling and supports transactions.
Example: $pdo = new PDO('mysql:host=loc...
Skills evaluated in this interview
Software Developer Interview Questions & Answers
LearningMate Solutions
Anonymous
posted on 2 Apr 2024
I applied via Campus Placement and was interviewed in Oct 2023. There were 2 interview rounds.
Basic quanti and logicals
2 test cases were there which we have to passed. solution we had to write in javascript or any js framework
Interview Preparation Tips
- OOPS
- C#
- dot net
Selected
I applied via Job Fair and was interviewed before Nov 2023. There were 3 interview rounds.
3 coding question around prime number arrays and strings
(2 Questions)
- Q1. Introduce youself
- Q2. Question around project and skill in the resume and one coding question to solve
(2 Questions)
- Q1. Question on project and skill in resume
- Q2. 2 question arouond data structer and algorithm
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed in Aug 2022. There were 4 interview rounds.
2 coding questions with aptitude question(logical aptitude and quantitative aptitude)
This was a Machine Coding. We need to design a system and then they will check our design by running test cases. It was 2.5 hrs long.
(2 Questions)
- Q1. Basic questions on computer core subjects(Deadlock, Networking, Tcp connection, process scheduling etc, DNS Lookup etc)
- Q2. Questions on React, Node and the libraries which I used in my project(My project was a full stack project)
Interview Preparation Tips
- Computer Networking
- Operating Systems
- Database Management
- React.Js
- Data Structures
Software Developer Interview Questions & Answers
IDP Education Limited
tarun vashisht
posted on 7 Apr 2024
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Practical questions regarding database like sp,trigger,rank
- Q2. Difference b/w sp and function
- Ans.
Stored procedures are precompiled SQL queries stored in the database, while functions are blocks of code that can be called within SQL queries.
Stored procedures are stored in the database and can be called using a specific name.
Functions are defined using CREATE FUNCTION and can be called within SQL queries.
Stored procedures can have input and output parameters, while functions can only return a single value.
Stored pro...
(1 Question)
- Q1. Salary negotiations
I applied via Approached by Company and was interviewed before Mar 2023. There were 3 interview rounds.
(1 Question)
- Q1. 1. Coding best practices 2. Writing basic code snippets
(1 Question)
- Q1. 1. Current projects and challenges
(1 Question)
- Q1. 1. Release management
QS Quacquarelli Symonds Interview FAQs
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QS Quacquarelli Symonds ETL Developer Interview Process
based on 1 interview
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